Gwent's Police and Crime Commissioner and Gwent Police's former chief constable will appear before the Home Affairs Select Committee in London later.
Both parties will give their side of events that led to Mrs Napier's departure at the meeting in Westminister this afternoon.
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Before the plane took off on February 16, teacher Juhel Miah was escorted off the flight by security.
Our Valleys Correspondent Hannah Thomas has been spending time discovering why the people who live in the Valleys love their communities.